: If colors bleed when they should be off, check your power supply voltage stability; long LED runs often require power injection.
: Use MQTT nodes to send JSON payloads like {"Color":"255,0,0,128"} to the command topic. Troubleshooting Tips tasmota-rgbw
By default, Tasmota may treat these as four independent dimmers. To enable the color picker and unified RGBW control, run the following command in the Tasmota Console : SetOption37 0 (or the appropriate index for your specific hardware mapping). Essential Console Commands Use these commands to fine-tune your lighting experience: : Power 1 / Power 0 : If colors bleed when they should be
To get your RGBW strip working, you must map the GPIO pins to the corresponding PWM (Pulse Width Modulation) signals in the Tasmota WebUI : : Red PWM2 : Green PWM3 : Blue PWM4 : White 2. Set the Device Mode To enable the color picker and unified RGBW